Home / 55,276.24-82,893.96-19,728.05

Finding the Fourth Proportional to 55,276.24, 82,893.96 and 19,728.05

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Solution

The fourth proportional to 55,276.24, 82,893.96 and 19,728.05 is: 29,584.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,276.24 : 82,893.96 = 19,728.05 : x
  2. Step 2: Convert to fraction form
    55,276.24/82,893.96 = 19,728.05/x
  3. Step 3: Cross multiply
    55,276.24x = 82,893.96 × 19,728.05
  4. Step 4: Simplify right side
    55,276.24x = 1,635,336,187.58
  5. Step 5: Solve for x
    x = 1,635,336,187.58/55,276.24
  6. Step 6: Final answer
    x = 29,584.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.